(19)

(11)

EP 1 937 474 A1

(12)

(43) Date of publication: 02.07.2008 Bulletin 2008/27 (21) Application number: 06794668.1 (22) Date of filing: 05.10.2006

(51) International Patent Classification (IPC):  B32B 17/10(2006.01) H05B 3/84(2006.01) H01Q 1/12(2006.01) G08B 13/04(2006.01) B32B 15/08(2006.01) H05K 3/06(2006.01) B60S 1/08(2006.01) G01N 27/04(2006.01) (86) International application number: PCT/GB2006/003717 (87) International publication number: WO 2007/039751 (12.04.2007 Gazette 2007/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 06.10.2005 GB 0520303 (71) Applicant: Pilkington Group Limited St. Helens Merseyside WA10 3TT (GB)	(72) Inventors: DIXON, Jonathan, Barclay Lancashire WN8 7PD (GB) GREENALL, Michael, Robert Lancashire PR25 5RG (GB) (74) Representative: Cawley, Aimee Elizabeth et al Pilkington Group Limited Group IP Department Pilkington Europ. Technical Centre Hall Lane, Lathom Ormskirk, Lancashire L40 5UF Ormskirk, Lancashire L40 5UF (GB)